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Method for resolving with public DNS (Domain Name System) server, system and server

A DNS server and server technology, applied in the communication field, can solve problems such as slow response and time-consuming processing, and achieve the effect of improving the success rate of resolution and reducing the complaint rate of domain name faults

Inactive Publication Date: 2017-02-22
CHINA MOBILE GROUP JIANGSU +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Time-consuming and slow to respond due to the manual processing involved in this process

Method used

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  • Method for resolving with public DNS (Domain Name System) server, system and server
  • Method for resolving with public DNS (Domain Name System) server, system and server
  • Method for resolving with public DNS (Domain Name System) server, system and server

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Embodiment Construction

[0025] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present invention by showing examples of the present invention. The present invention is by no means limited to any specific configurations and algorithms presented below, but covers any modification, substitution and improvement of elements, components and algorithms without departing from the spirit of the invention. In the drawings and the following description, well-known structures and techniques have not been shown in order to avoid unnecessarily obscuring the present invention.

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Abstract

The invention discloses a method for resolving a domain name, system and server. The method comprises the steps of: a terminal user initiating a domain name query request to a local domain name system (LDNS) server; when the LDNS server inquires a local cache and is not hit, executing the following steps: the LDNS server initiating a query request to an authorized DNS server of the domain name by recursive resolution; the LDNS server receiving the query result from the authorized DNS server; when the query result is abnormal, the LDNS server initiating a query request for the domain name to a public DNS server via an automatic forwarding mechanism; and the LDNS server returning the resolution result received from the public DNS server to the terminal user, and saving the resolution result into the local cache.

Description

technical field [0001] The present application belongs to the communication field, and more specifically, the present application relates to a method, system and server for resolution by a public DNS server. Background technique [0002] Domain Name System (DNS) is a distributed database on the Internet that maps domain names and IP addresses to each other. It is the most basic and core service in the Internet architecture. DNS technology can enable users to access the Internet more conveniently, without having to remember the IP number string that can be directly read by the machine. The process of finally obtaining the IP address corresponding to the host name through the host name is called domain name resolution (or host name resolution). [0003] DNS technology provides fundamental support for many network applications. Classified according to functions, DNS servers can be roughly divided into authoritative DNS servers and recursive DNS servers. An authoritative DNS ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/103H04L61/4511
Inventor 巫俊峰韩峰
Owner CHINA MOBILE GROUP JIANGSU
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